Home / 1,016.12-1,522.75-481.27

Finding the Fourth Proportional to 1,016.12, 1,522.75 and 481.27

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Solution

The fourth proportional to 1,016.12, 1,522.75 and 481.27 is: 721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.12 : 1,522.75 = 481.27 : x
  2. Step 2: Convert to fraction form
    1,016.12/1,522.75 = 481.27/x
  3. Step 3: Cross multiply
    1,016.12x = 1,522.75 × 481.27
  4. Step 4: Simplify right side
    1,016.12x = 732,848.23
  5. Step 5: Solve for x
    x = 732,848.23/1,016.12
  6. Step 6: Final answer
    x = 721.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.